Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

OTHER DTCS
1. Turn the ignition on, engine not running.
2. With the scan tool, read DTCs.
  Are any other injector/fuel pressure related DTCs present?
  
  Yes
  - Diagnose and repair all other injector/fuel pressure related DTCs before performing this diagnostic tree.
  No
  - Go To 2
ACTIVE DTC
1. With the scan tool, record all Freeze frame data.
2. With the scan tool, erase DTCs.
3. Turn the ignition off for 75 seconds.
4. Operate the engine until the coolant temperature is above 82.2°C (180°F).
5. With the scan tool, read DTCs.
  Did DTC P0093 reset?
  
  Yes
  - Go To 3
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .
EXTERNAL FUEL LEAKS
1. Put on personal protective equipment.
2. Operate engine at idle when looking for fuel leaks.
3. Use the scan tool to operate engine at a variety of engine speeds.
  Any external leaks detected?
  
  Yes
  - Repair or replace component with external fuel leak.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 4
CHECK THE FUEL DELIVERY SYSTEM
1. Refer to DIAGNOSIS AND TESTING, 6.7L and perform the CHECKING THE FUEL DELIVERY SYSTEM diagnostic procedure.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  No
  - Go To 5
POWERTRAIN CONTROL MODULE
1. Disconnect all PCM harness connectors.
2. Disconnect all related in-line harness connections (if equipped).
3. Disconnect the related component harness connectors.
4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Perform a terminal drag test on each connector terminal to verify proper terminal tension.
  Repair any conditions that are found.
5. Reconnect all PCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
8. With the scan tool, erase DTCs.
9. Using the recorded Freeze Frame and Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
10. With the scan tool, read PCM DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, 6.7L DIESEL, REMOVAL .
  - Perform the PCM VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Test complete.
  - Perform the PCM VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .